US Geologic Survey – USGS

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Gerdau Ameristeel is the largest producer of steel sheet piling in North America. In September of 2007, Gerdau Ameristeel acquired Chaparral, including its operations that produce hot-rolled sheet piling. “Chaparral Sheet Piling” has now been […]

NGI (Norwegian Geotechnical Institute) is a leading international centre for research and consulting in the geosciences. NGI develops optimum solutions for society, and offers expertise on the behaviour of soil, rock and snow and their […]